patch 8.2.0557: no IPv6 support for channels
Problem: No IPv6 support for channels.
Solution: Add IPv6 support. (Ozaki Kiichi, closes #5893)
diff --git a/src/configure.ac b/src/configure.ac
index 89ae06f..47502a9 100644
--- a/src/configure.ac
+++ b/src/configure.ac
@@ -2038,17 +2038,50 @@
fi
if test "$enable_channel" = "yes"; then
- dnl On Solaris we need the socket and nsl library.
-
+ dnl On Solaris we need the socket library, or on Haiku the network library.
if test "x$HAIKU" = "xyes"; then
AC_CHECK_LIB(network, socket)
else
AC_CHECK_LIB(socket, socket)
fi
- AC_CHECK_LIB(nsl, gethostbyname)
- AC_MSG_CHECKING(whether compiling with process communication is possible)
- AC_TRY_LINK([
+ AC_CACHE_CHECK([whether compiling with IPv6 networking is possible], [vim_cv_ipv6_networking],
+ [AC_TRY_LINK([
+#include <stdio.h>
+#include <stdlib.h>
+#include <stdarg.h>
+#include <fcntl.h>
+#include <netdb.h>
+#include <netinet/in.h>
+#include <errno.h>
+#include <sys/types.h>
+#include <sys/socket.h>
+ /* Check bitfields */
+ struct nbbuf {
+ unsigned int initDone:1;
+ unsigned short signmaplen;
+ };
+ ], [
+ /* Check creating a socket. */
+ struct sockaddr_in server;
+ struct addrinfo *res;
+ (void)socket(AF_INET, SOCK_STREAM, 0);
+ (void)htons(100);
+ (void)getaddrinfo("microsoft.com", NULL, NULL, &res);
+ if (errno == ECONNREFUSED)
+ (void)connect(1, (struct sockaddr *)&server, sizeof(server));
+ (void)freeaddrinfo(res);
+ ],
+ [vim_cv_ipv6_networking="yes"],
+ [vim_cv_ipv6_networking="no"])])
+
+ if test "x$vim_cv_ipv6_networking" = "xyes"; then
+ AC_DEFINE(FEAT_IPV6)
+ else
+ dnl On Solaris we need the nsl library.
+ AC_CHECK_LIB(nsl, gethostbyname)
+ AC_CACHE_CHECK([whether compiling with IPv4 networking is possible], [vim_cv_ipv4_networking],
+ [AC_TRY_LINK([
#include <stdio.h>
#include <stdlib.h>
#include <stdarg.h>
@@ -2072,8 +2105,9 @@
if (errno == ECONNREFUSED)
(void)connect(1, (struct sockaddr *)&server, sizeof(server));
],
- AC_MSG_RESULT(yes),
- AC_MSG_RESULT(no); enable_netbeans="no"; enable_channel="no")
+ [vim_cv_ipv4_networking="yes"],
+ [vim_cv_ipv4_networking="no"; enable_netbeans="no"; enable_channel="no"])])
+ fi
fi
if test "$enable_netbeans" = "yes"; then
AC_DEFINE(FEAT_NETBEANS_INTG)